Analytical device



FIG. 1 is a perspective view of an analytical device of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines illustrate portions of the analytical device that form no part of the claimed design. 

CLAIM The ornamental design for an analytical device, as shown and described. 